Description
A quality main bearing set is fundamental to engine longevity and reliability—especially in high-performance applications where precise clearances directly impact oil flow, load distribution, and overall engine durability. The MS-909H-19 delivers the precision tolerances and materials your Small Block Chevy demands, whether you’re rebuilding after a race season or upgrading a street engine. This H-Series kit ensures your bottom end can handle sustained power delivery without compromise.
- Small Block Chevy compatible
- H-Series main bearings
- 0.019″ undersize
- Complete kit included
- Precision-engineered tolerances
- OEM-quality construction
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